Term

Definition

Relationship to Climate Change

Ratio of the sampled hydrogen isotopic ratio compared to the V_SMOW standard isotopic ratio

Proxy for temperature

Isotopic ratio of ²H versus ¹H in a sample

Hydrogen isotopic composition of the Vienna Standard Mean Ocean Water (V_SMOW)

Standard as defined in 1968 by the International Atomic Energy Agency

Ratio of the sampled oxygen isotopic ratio compared to the V_SMOW standard isotopic ratio

Proxy for ice volume

Isotopic ratio of ¹⁸O versus ¹⁷O in a sample

Oxygen isotopic composition of the Vienna Standard Mean Ocean Water (V_SMOW)

Standard as defined in 1968 by the International Atomic Energy Agency